Number of n X 2 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 1,3,0,2,4 for x=0,1,2,3,4.
A196316
Number of n X 2 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 1,3,0,2,4 for x=0,1,2,3,4.
Terms
- a(0) =1a(1) =7a(2) =10a(3) =23a(4) =57a(5) =122a(6) =275a(7) =623a(8) =1394a(9) =3133a(10) =7045a(11) =15824a(12) =35557a(13) =79901a(14) =179530a(15) =403401a(16) =906439a(17) =2036744a(18) =4576523a(19) =10283359a(20) =23106492a(21) =51919817a(22) =116662775a(23) =262138870a(24) =589020695a(25) =1323517493a(26) =2973916806a(27) =6682330407a(28) =15015060135a(29) =33738533866
External references
- oeis: A196316